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| author | Anton Blanchard <antonb@tenstorrent.com> | 2024-10-30 15:35:38 +1100 |
|---|---|---|
| committer | Alistair Francis <alistair.francis@wdc.com> | 2024-10-31 13:51:24 +1000 |
| commit | c128d39edeff337220fc536a3e935bcba01ecb49 (patch) | |
| tree | 634ca0cf07bae6531a78c4dbb2b0eae1e60f6187 | |
| parent | fd16cfb2995e9196b579d8885145c4247dfa6058 (diff) | |
| download | qemu-c128d39edeff337220fc536a3e935bcba01ecb49.zip qemu-c128d39edeff337220fc536a3e935bcba01ecb49.tar.gz qemu-c128d39edeff337220fc536a3e935bcba01ecb49.tar.bz2 | |
target/riscv: Fix vcompress with rvv_ta_all_1s
vcompress packs vl or less fields into vd, so the tail starts after the
last packed field. This could be more clearly expressed in the ISA,
but for now this thread helps to explain it:
https://github.com/riscv/riscv-v-spec/issues/796
Signed-off-by: Anton Blanchard <antonb@tenstorrent.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-ID: <20241030043538.939712-1-antonb@tenstorrent.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
| -rw-r--r-- | target/riscv/vector_helper.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c index 072bd44..ccb32e6 100644 --- a/target/riscv/vector_helper.c +++ b/target/riscv/vector_helper.c @@ -5132,7 +5132,7 @@ void HELPER(NAME)(void *vd, void *v0, void *vs1, void *vs2, \ } \ env->vstart = 0; \ /* set tail elements to 1s */ \ - vext_set_elems_1s(vd, vta, vl * esz, total_elems * esz); \ + vext_set_elems_1s(vd, vta, num * esz, total_elems * esz); \ } /* Compress into vd elements of vs2 where vs1 is enabled */ |